package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Employee;
import com.itheima.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.time.LocalDateTime;

@Slf4j
@RequestMapping("/employee")
@RestController
public class EmployeeController {
    @Autowired
    private EmployeeService employeeService;

    @PostMapping("/login")
    public R<Employee> login(HttpSession session, @RequestBody Employee employee) {

        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());

        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername, employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);

        if (emp == null) {
            return R.error("登录失败");
        }

        if (!emp.getPassword().equals(password)) {
            return R.error("登录失败");
        }

        if (emp.getStatus() == 0) {
            return R.error("账号已禁用");
        }

        session.setAttribute("employee", emp.getId());
        return R.success(emp);
    }

    @PostMapping("/logout")
    public R<String> logout(HttpSession session) {
        //清理Session中保存的当前登录员工的id
        session.removeAttribute("employee");
        return R.success("退出成功");
    }


    @PostMapping
    public R<String> add(HttpSession session, @RequestBody Employee employee) {
        log.info("新增员工，员工信息：{}", employee.toString());

        //设置初始密码123456，需要进行md5加密处理
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());

        //获得当前登录用户的id
//        Long empId = (Long) session.getAttribute("employee");

//        employee.setCreateUser(empId);
//        employee.setUpdateUser(empId);

        employeeService.save(employee);
        return R.success("新增员工成功");
    }

    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name) {
        log.info("page = {},pageSize = {},name = {}", page, pageSize, name);
        //构造分页构造器
        Page pageInfo = new Page(page, pageSize);

        //构造条件构造器
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper();
        //添加过滤条件
        queryWrapper.like(StringUtils.isNotEmpty(name), Employee::getName, name);
        //添加排序条件
        queryWrapper.orderByDesc(Employee::getUpdateTime);

        //执行查询
        employeeService.page(pageInfo, queryWrapper);
        return R.success(pageInfo);
    }

    @PutMapping
    public R<String> update(HttpSession session, @RequestBody Employee employee) {
        log.info(employee.toString());
//        Long empId = (Long) session.getAttribute("employee");

//        employee.setUpdateTime(LocalDateTime.now());
//        employee.setUpdateUser(empId);
        employeeService.updateById(employee);

        return R.success("员工信息修改成功");

    }

    @GetMapping("/{id}")//地址参数使用要加@PathVariavle
    public R<Employee> getById(@PathVariable Long id) {
        log.info("根据id查询员工信息...");
        Employee employee = employeeService.getById(id);
        if (employee != null) {
            return R.success(employee);
        }
        return R.error("没有查询到对应员工信息");
    }
}
